1,2,3,4,9,9-HEXACHLORO-1,4,4A,8A-TETRAHYDRO-1,4-METHANONAPHTHALENE-5,8-DIONE

1,3-DIFURFURYLUREA

1,3-DIMETHYL-2-OXO-2,3-DIHYDRO-PYRIMIDIN-1-IUM, PERCHLORATE

1,4-BIS(2-METHOXY-4-NITROPHENYL)OXAMIDE

1,4-DIAMINO-2,3-BIS(2-PHENOXYETHOXY)ANTHRAQUINONE

1,4-DIBROMO-3,6-DIIODO-2,5-DIMETHYLBENZENE

1,4-Dihydro-1,4-methanonaphthalene

1,4-DIMETHYL-2,3,5-TRIACETOXYBENZENE

1,4-DIPHENYLBUTANE

1,4-PHENYLENEBIS(TRIPHENYLSILANE)

17ALPHA-ACETOXY-16ALPHA-METHYLPROGESTERONE

2'-METHYL-1',4',5',6'-(AND 3',4',5',6')TETRAHYDROACETOPHENONE SEMICARBAZONE

2'-METHYL-4'-NITROMETHANESULFONANILIDE

2'-NITRO-4'-PHTHALIMIDOACETANILIDE

2-(1,2,3,4,5-PENTAHYDROXY-PENTYL)-THIAZOLIDINE-4-CARBOXYLIC ACID